#include "stdafx.h"
#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <stdlib.h>

#define NO_OF_STUDENTS 20

struct data
{
    char name[20];
    int age[20];
    int weight[20];
};







int compare (const void * a, const void * b)
{
  return ( *(int*)a - *(int*)b );
}

int main ()
{
  int n;
  struct data Students[NO_OF_STUDENTS]; // 20 students.
  int Counter = 0;

  int ager [NO_OF_STUDENTS] = Students[NO_OF_STUDENTS].age[20];

     for(; Counter < NO_OF_STUDENTS; ++Counter)
    {
        Students[Counter].name[19] = '\0'; // Set the end of the string.
        scanf("%s", Students[Counter].name); // Extract 19 characters.
    }

    for(; Counter < NO_OF_STUDENTS; ++Counter)
    {
        Students[Counter].age[19] = '\0'; // Set the end of the string.
        scanf("%d", Students[Counter].age); // Extract 19 characters.
    }

    for(; Counter < NO_OF_STUDENTS; ++Counter)
    {
        Students[Counter].weight[19] = '\0'; // Set the end of the string.
        scanf("%d", Students[Counter].weight); // Extract 19 characters.
    }


    qsort (Students[20].age,20, sizeof(int), compare);



  for (n=0; n<6; n++)
     printf ("%d ",values[n]);
  return 0;
}






int compare (const void * a, const void * b)
{
  return ( *(int*)a - *(int*)b );
}